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Contact lenses. to correct refractive errors of the eye; a little invasive. Phoropter. used in refraction testing. Tonometers. used to determine the intraoccular pressure (IOP) - useful in glaucoma; video link for various types of tonometers. Speculum: to keep the eyes open during any operation. Universal eye speculum.
Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]
The reason so many people are putting pickles in Dr Pepper right now — and how it tastes. There’s a sour, green drink hack taking over Sonic, and fans of the mixed beverage have helped it go ...
Optical coating. An optical coating is one or more thin layers of material deposited on an optical component such as a lens, prism or mirror, which alters the way in which the optic reflects and transmits light. These coatings have become a key technology in the field of optics. One type of optical coating is an anti-reflective coating, which ...
1. Potato Chips. Who: George Crum, New York chef. When: 1853. How it was created: When an annoying customer kept sending his plate of French fried potatoes back to the kitchen, claiming they were ...
Dr. Pepper. Dr. Pepper debuted a tasty collaboration, and some fans are calling it a "top 3" product "of all time." The popular soda beverage is taking on a new form as the weather heats up ...
Dublin Dr Pepper. Dublin Dr Pepper is the popular name for a style of Dr Pepper soft drink made by the Dublin Dr Pepper Bottling Company in Dublin, Texas. Dublin Dr Pepper followed the original recipe, using cane sugar as the sweetener as opposed to newer high-fructose corn syrup (HFCS). The Dublin plant formula's use of sugar made it popular ...
New data from Beverage Digest shows Dr Pepper has surpassed Pepsi as the nation’s second-favorite soda brand, capturing 8.3% of the market to narrowly edge out its larger competitor. (Coca-Cola ...